package com.j180.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;

@WebServlet("/session")
public class SeesionServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
           this.doPost(req,resp);

    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {

        //创建一个session
        HttpSession session  = req.getSession();
        //获得session的id号
        String sessionId = session.getId();
        System.out.println("SeesionServlet==>>>sessionId="+sessionId);
        //设置session的有效期



        resp.getWriter().print("SeesionServlet=====>>");

    }
}
